How to find nothing

Author: Hemenway, David

Source: Journal of Public Health Policy, Volume 30, Number 3, September 2009 , pp. 260-268(9)

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Abstract:

Hypothesis testing can be misused and misinterpreted in various ways. Limitations in the research design, for example, can make it almost impossible to reject the null hypothesis that a policy has no effect. This article discusses two examples of such experimental designs and analyses, in which, unfortunately, the researchers touted their null results as strong evidence of no effect.

Document Type: Research article

DOI: http://dx.doi.org/10.1057/jphp.2009.26

Affiliations: 1: Health Policy and Management, Harvard School of Public Health, 677 Huntington Avenue, Boston, MA 02115, USA

Publication date: 2009-09-01